We don’t know what the next-gen Xbox, codenamed “Project Helix” will look like yet, but two fresh leaks could provide some hints on what to expect from its controller. Portuguese-language gadget blog Tecnoblog (read via machine translation) shared pictures of the two unreleased Xbox controllers. The first is a third edition model of the Xbox Elite gamepad and the second is one that seems built exclusively for Xbox Cloud Gaming. The leaks stem from Anatel, Brazil’s telecommunications regulatory agency, so they’re likely real, though whether they make it to market is an open question. The supposed Xbox Elite 3 controller maintains the classic dual sticks, a dish-shaped D-pad, and back paddles. The refreshed high-end gamepad also has what appears to be two scroll wheels on the bottom. Tecnoblog hazards a guess that these wheels could be used in Microsoft Flight Simulator for throttle control.…